Number System In how many different ways can the letters of the word TEST' be arranged ? 12 10 16 8 12 10 16 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.85 Rs.100 Rs.80 Rs.90 Rs.85 Rs.100 Rs.80 Rs.90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System What is 50% of 40% of Rs. 3,450? 670 640 690 630 670 640 690 630 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 967 897 987 977 967 897 987 977 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all even numbers from 1 to 701? 122550 123850 122500 122850 122550 123850 122500 122850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 129 288 225 275 129 288 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
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